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diff --git a/reference/C/EXAMPLES/fact1.c b/reference/C/EXAMPLES/fact1.c
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+++ b/reference/C/EXAMPLES/fact1.c
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+/**************************************************************************
+ *
+ * Purpose: generate the factorial of a number by iteration.
+ * Author:  M. J. Leslie
+ * Date:    09-Apr-94
+ *
+ **************************************************************************/
+
+#include <stdio.h>
+
+int factorial(int num);
+
+main()
+{
+  int num;
+  puts  ("This program will return the factorial of a number.");
+  printf("Please enter the number ==> " );
+  scanf("%d", &num);
+
+  printf(" %d! is %d\n",num, factorial(num) );
+}
+
+int factorial(int num)
+{
+  int count, ans=1;
+  for (count=1 ; count <= num; count++ ) ans *= count;
+  return ans;
+}